diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 47ba1c804..1ca4f246d 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,8 +10,16 @@ jobs:
 
   build:
     runs-on: ubuntu-latest
+    env:
+      GOPATH: ${{ github.workspace }}
+    defaults:
+      run:
+        working-directory: ${{ env.GOPATH }}/src/github.com/hyperledger-labs/fabric-smart-client
     steps:
-    - uses: actions/checkout@v2
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        path: ${{ env.GOPATH }}/src/github.com/hyperledger-labs/fabric-smart-client
 
     - name: Set up Go
       uses: actions/setup-go@v2
diff --git a/.gitignore b/.gitignore
index 85e7c1dfc..ec29afb38 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /.idea/
+.DS_Store
diff --git a/integration/nwo/fabric/network/network_support.go b/integration/nwo/fabric/network/network_support.go
index 9ecf924f2..d0078dbf8 100755
--- a/integration/nwo/fabric/network/network_support.go
+++ b/integration/nwo/fabric/network/network_support.go
@@ -583,10 +583,10 @@ func (n *Network) CheckTopology() {
 	cwd, err := os.Getwd()
 	Expect(err).NotTo(HaveOccurred())
 
-	substring := "github.com/hyperledger-labs/fabric-smart-client"
+	substring := "fabric-smart-client"
 	n.ExternalBuilders = []fabricconfig.ExternalBuilder{{
 		Path: filepath.Join(
-			cwd[:strings.Index(cwd, substring)],
+			cwd[:strings.LastIndex(cwd, substring)],
 			substring,
 			"integration",
 			"nwo",